Blank placing and registering mechanism for paper-dish-making machines.



I. BERTIN. BLANK PLAGING AND REGISTERING MECHANISM FOR PAPER DISH MAKING MACHINES.

APPLICATION FILED JULY 2, 1913. 1 ,O94,970, Patented Apr. 28, 1914.

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5 ww/wto c Isaac Bertm,

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I. BERTIN. BLANK PLACING AND REGISTERING MECHANISM FOR-PAPER DISH MAKING MACHINES.

APPLICATION FILED JULY 2, 1913. 1,094,970.

Patented Apr. 28, 1914.

3 SHEETS-SHEET 2.

. ame/wboz Isaac Bertim, .35 hisflbbowws I. BERTIN. BLANK PLACING AND REGISTERING MECHANISM FOR PAPER DISH MAKING MACHINES.

A'PPIJIGATION FILED JULY 2, 1913.

Patented Apr. 28, 1914.

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COLUMBIA PLANOGRAPH coqwAsmNo'row. D. c.

UNITED STATES PATENT OFFICE.

ISAAC BERTIN, OF NEW YORK, N. Y.

BLANK PLACING AND REGISTERING MECHANISM FOR PAPER-DISH-MAKING MACHINES.

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To all whom may concern:

Be it known that I, IsAAo BERTIN, a subject of the Czar of Russia, and residing at New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Blank Placing and Registering Mechanisms for Paper-Dish-Making Machines, of which the following is a specification, such as will enable those skilled in the art to which it appertains to make and use the same.

This invention relates to machines for making paper dishes, and is an improvement on the machines covered by U. S. Letters Patent No. 939,888, granted to me Nov. 9, 1909; and U. S. Letters Patent No. 970,168, granted to me September 13, 1910.

Machines of the class described and claimed in the patents referred to are used in making paper dishes from long strips of paper which are fed into the machines and from which blanks for forming dishes are cut, scored and slitted after which said blanks are fed into a shaping and forming mechanism by which they are folded into dish form and the separate parts thereof interlocked or secured together, and the object of the invention which forms the basis of this application is to provide improved means for accurately placing the blanks in the shaping and forming mechanism and holding said blanks in position so that the dishes will be accurately formed and uniform in shape, and theinterlocking of the parts thereof'exact.

The invention is fully disclosed in the following specification of which the accompanying drawings form a part in which the separate parts of my improvement are designated by suitable reference characters in each of the views, and in which Figure 1 is a sectional plan view of that part of a machine of the class specified involving this invention ;Fig. 2 is a central longitudinal section on the line 22 of Fig. 1;Fig. 2* a view similar to Fig. 2, but showing only a detail of the construction and showing the parts in a different position;-Fig. 3 a partial transverse sectional view on the line 33 of Fig. 1, and ;-Fig. 4 a detail face view looking in the direction of the arrow 4 of Fig. 3.

Specification of Letters Patent.

Application filed July 2, 1913.

Patented A r. 28, 1914. Serial No. 776,937.

Themachine or machines to which this lnventlon is applied involve a strong main frame transversely of which are mounted two roller dies a and a mounted above and below a table .7) and rearwardly of which are two main feed rollers 0 and a similarly mounted, and rearwardly of which are two supplemental feed rollers d and d similarly mounted.

The trunnions of the main top feed roller 0 are mounted in links 0 which are mounted on the trunnions of the top roller die a, and the trunnions of the top supplemental feed roller al are mounted in links 03 which are mounted 011 the trunnions of the main top feed roller 0, and by means of this construct1on,the top supplemental feed roller (Z and the top main feed roller 0, may be turned backwardly for the purpose of cleaning the machine whenever desired. The front trunnion of the lower roller die a is provided with a mutilated gear a below which is mounted a main power shaft (1* provided with a drive wheel a and a large mutilated gear a which meshes with the gear a and the main feed rollers 0 and 0 and the supplemental feed rollers (Z and CF are positively driven in a suitable manner, preferably by direct gearing operated by a main power shaft a and parts of which are shown at c in Fig. 1, but this invention does not-involve the means or gearing for operating the roller dies at and a and the feed rollers c and 0 and d and (Z and the mecha nism for this purpose may be similar to that shown in the patents hereinbefore referred to, or in another application filed by me, July 2, 1918, Serial No. 776,936, and covering a feed mechanism for paper dish mak ing machines. I have also shown at f a strip of paper from which the dishes are made, and in the operation of this machine, the said strip of paper is fed thereinto and therethrough and is cut into dish blanks f and f in the same manner as in Patent No. 939,888, hereinbefore referred to, and these dish blanks are provided with score or folding lines i and with end slits f all as in the patent last referred to.

The main frame of the machine is provided rearwardly of the feed rollers 0 and c and, (Z and d with an upright supplemental frame 9 having side members 9 a transverse top member 9 and a forming table g the top of which is slightly lower than the top of the table Z), and the forming table 9 is provided with a large central rectangular opening 9 Mounted in the upright frame member 9 is a vertically movable frame comprising a transverse top member it, above the table g, a transverse bottom member it below the table and the top and bottom members h and k are connected by vertical side bars 7L3 movable in corresponding grooves 7t in the side members of the frame g. The bars h are slotted vertically and centrally, as shown at h and said bars [a below the table 9 are provided in their outer sides with narrow vertical cam recesses h and the side arms 9 of the vertical frame 9 are provided with corresponding slots The upright supplemental frame 9 and the vertically movable supplemental inner frame composed of the parts h, h and 7&3 are similar to the corresponding construction in Patent No. 939,888, hereinbefore re ferred to, and at z" I have shown the vertically movable top part of the dish forming mechanism, and at i I have shown the bottom part of said dish forming mechanism, all this mechanism being similar to that shown and described in said patent.

The main drive shaft (4? of the machine is provided with a beveled gear j and suitably mounted longitudinally of the main drive shaft a is a horizontal shaft j provided with a corresponding beveled gear 7' at one end, and at the other with a box cam 7' having a peripheral cam groove 7' Mounted horizontally of the machine and below the forming table g and centrally thereof is a reciprocating bar 70 provided with a depending member 76 having a roller 73 movable in the cam groove 7', and the bar 70 is provided at its front end with a cross head 70* having vertical L-shaped fingers Z2 the ends is of which extend backwardly through corresponding grooves in the central portion of the bottom supplemental feed roller 6?, as clearly shown in Fig. 2, and the upper surfaces of the parts k of the fingers 71: are approximately in the plane of the top of the table I) and the top of the roller (Z The rear end of the bar it" is provided with a standard m provided at its upper end with a head plate of having central vertical ears m in which is pivoted a gripper bar m having a nose piece wa and a tail piece m, and said bar is movable between side flanges m on a fixed plate m and rearwardly of the ears in which the bar m is mounted, is a transverse trip pin m", and the standard we is movable through slot-s m in the plate m and in the rear end portion of the table 6, as shown in Fig. 2, the table I) being omitted in Fig. 2 it being understood that the forming table is set into or between the separate parts of the table 5.,

The gripper bar 112; is provided centrally with a downwardly directed friction dog a which bears on the leaf spring it placed thereunder and connected with the head plate m of the standard m, this construction being clearly shown in Figs. 2 and 2, and the operation of the friction dog a on the spring n and the shape of said dog is such that it will hold the nose piece or of the bar m in operative position, as shown in Fig. 2, or in the open position, as shown in Fig. 2.

c The forming table which, in eii'ect, forms part of the table Z), is provided with transversely arranged stop and gage pins 0 in connection with which the fingers 70 at the front end of the bar 7: operate in order to accurately place a dish blank on the bot tom part of the dish shaping and forming mechanism, designated as a whole by the reference character 2' but involving a central vertically movable top table '5 having hinged side, end and corner wings i as clearly shown and described in Patent No. 939,888.

Placed horizontally in the side members of the supplemental upright frame g and resting on the top of the forming table 9* are guide frames p in which are mounted sliding plates 71 movable transversely of the machine and provided at their inner ends with cross bars 7) provided at their inner ends with gage plates 2) having diagonal inner registering faces 7) against which, when a dish blank is properly placed, the corners thereof, which are also diagonal in form. abut, and the sliding plates are provided with longitudinal slots 7) in their outer ends, through which are passed pins 72 and the side members of the supplemental upright frame g are provided below the table Z) and below the table g" with side brackets r to which are pivoted, as shown at W, vertically *anging lever arms r which pass through the slots 77 in the sliding plates 79 and are provided with slots r through which the pins 72 pass, and said lever arms are provided with inwardly directed cam noses '2' movable through the slots ]L7 in the frame member and operating in the cam slots or recesses it in the vertically movable frame members It, and the lower ends of the lever arms are provided with tail pieces 1" between which and the frame members are placed springs 1' which normally force the upper ends of said lever arms and the plates 79 inwardly, and said upper ends of the lever arms i and the plates 71 are moved outwardly, as will be understood. by the vertical movement of the vertically movable inner frame members [L3 by reason of a am lOtl lltl

surface r at the bottom of the cam slots h, and the inward movement of the upper end portions of the lever arms r is limited by supplemental noses r with which said lever arms are provided and which come in contact with the side frame members 9 of the supplemental stationary frame 9.

The boX cam j is provided with a wrist pin 3 movable in a slot .9 in the horizontal bottom member if of the vertically movable frame within the supplemental upright frame g, and the object of which is to give said vertically movable supplemental frame its vertical movement.

In the operation of the machine, the roller dies 0; and (t the main feed rollers 0 and 0 and the supplemental feed rollers d and (P, are given a simultaneous intermittent movement, and at the first of said movements, a dish blank is cut from the strip f by the die rollers a and a and fed into position to be fed into the shaping and forming mechanism, and at the next movement of said rollers, the first formed dish blank is fed into said shaping and forming mechanism and another dish blank is cut from the strip f and fed into position to be fed into the shaping and forming mechanism at the neXt successive movement. In this operation of the machine, the cutting and feeding mech anism is idle when the shaping and forming mechanism is operating, and the shaping and forming mechanism is idle when the cutting and feed mechanism is operating. Ateach feeding movement, as above described, the bar with its attachments moves in the direction of the roller dies and feed mechanism, and the plates which operate transversely of the machine are moved out wardly by the lever arms 1* which are thrown into the position shown in dotted lines in Fig. 3 which is done by the vertical movement of the supplemental inner frame ]L.]t ]2. in the main upright frame 9, and

r was a dish blank is moved into position in the dish shaping and forming mechanism, onto the table 2', or partially onto said table, as shown at f in Fig. 2 and after it passes between the supplemental feed rollers d and (Z which drop down into the position shown in Fig. 2, and clears the fingers 70 of the bar 7,: so that said fingers will operate thereon. In the above described operation the gripper bar on is also operated by the trip pin m so as to cause the nose piece m of said bar to engage the rear, or corresponding end of the dish blank F, as shown in Fig. 2. In the backward movement of the bar 70, the dish blank f is drawn into contact by the gripper bar m with the stop and gage pins 0', after which said bar 70 has a still further backward movement that releases said gripper bar m from the dish blank, and the fingers 79' then come in contact with the front r edge of said dish blank, as shown in Fig. 2,

and in connection with the stop and gage pins 0 hold said blank in proper adjustment longitudinally of the machine in the operation of the dish shaping and forming mechanism. At the end of the movement above described, the upper part't' of the dish shaping and forming mechanism moves downwardly, and just before it reaches the posi tion shown in Figs. 2 and 3, the lever arms 7' move inwardly into the position shown in full lines in Fig. 3 and the gagesp are brought into contact with the corners of the dish blank f and accurately position said dish blank laterally of the machine after which, the part or parts 2' of the dish forming mechanism continue their downward movement in which movement the dish is partially shaped and formed, and the end and corner portions thereof locked together as in the operation of a machine covered by Patent No. 939,888, hereinbefore referred to.

Although I have shown and described various parts of the original machine as heretofore constructed, it must be understood that the invention which forms the basis of this application, as hereinbefore stated, relates entirely to the means for adjusting the dish blanks in proper position in the dish shaping and forming mechanism and holding said dish blanks in said mechanism, the said means consisting of two sets of devices, one set of which is movable longitudinally of the machine, and the other transversely thereof, and both of which are operated by the shaft j and its cam j.

My invention is not limited to the exact construction of the devices herein shown and described for placing, adjusting and holding the dish blanks in the shaping and forming mechanism, and various changes therein and modifications thereof may be made, within the scope of the appended claims, without departing from the spirit of my invention o-r sacrificing its advantages.

Having fully described my invention what I claim as new and desire to secure by Letters Patent is 1. In a machine for making paper dishes, a dish forming table forming part of a dish shaping and forming mechanism, means for cutting dish blanks and feeding the same onto the dish forming table, a horizontal bar movable longitudinally of the machine below the dish forming table, means connected with said bar and with said table for holding a dish blank thereon and adjusting it longitudinally of the machine, transversely movable devices mounted above the dish forming table and adapted to adjust a dish blank thereon transversely of the machine and to hold said blank, and means for operating said bar and said devices.

2. In a machine for making paper dishes, a main frame, a main horizontal table provided with an opening, a dish forming table movable vertically in said opening and conin operative connection with the main power shaft and with said devices for operating the latter.

In testimony that I claim the foregoing as my invention I have signed my name in presence of the subscribing witnesses this 28th day of June, 1913.

ISAAC BERTIN.

Witnesses C. MULREANY, S. ANDREWS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. C. 

